зеркало из https://github.com/mozilla/gecko-dev.git
55 строки
1.5 KiB
C++
55 строки
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsINodeList_h___
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#define nsINodeList_h___
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#include "nsWrapperCache.h"
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#include "nsISupports.h"
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#include "nsIContent.h"
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// IID for the nsINodeList interface
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#define NS_INODELIST_IID \
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{ \
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0xadb5e54c, 0x6e96, 0x4102, { \
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0x8d, 0x40, 0xe0, 0x12, 0x3d, 0xcf, 0x48, 0x7a \
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} \
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}
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class nsIContent;
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class nsINode;
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/**
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* An internal interface for a reasonably fast indexOf.
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*/
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class nsINodeList : public nsISupports, public nsWrapperCache {
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_INODELIST_IID)
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/**
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* Get the index of the given node in the list. Will return -1 if the node
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* is not in the list.
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*/
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virtual int32_t IndexOf(nsIContent* aContent) = 0;
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/**
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* Get the root node for this nodelist.
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*/
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virtual nsINode* GetParentObject() = 0;
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virtual uint32_t Length() = 0;
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virtual nsIContent* Item(uint32_t aIndex) = 0;
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nsIContent* IndexedGetter(uint32_t aIndex, bool& aFound) {
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nsIContent* item = Item(aIndex);
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aFound = !!item;
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return item;
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}
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsINodeList, NS_INODELIST_IID)
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#endif /* nsINodeList_h___ */
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